/* Cointrail site — the app's design language: quiet surfaces, tight type, one blue. */

:root {
  --blue: #0a72e8;
  --blue-press: #0860c4;
  --green: #2fa84f;
  --red: #e5484d;
  --amber: #d98a00;
  --bg: #f5f5f7;
  --card: #ffffff;
  --ink: #1d1d1f;
  --ink-2: #6e6e73;
  --ink-3: #98989d;
  --line: rgba(0, 0, 0, 0.09);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 8px 28px rgba(0, 0, 0, 0.07);
  --shadow-big: 0 2px 6px rgba(0, 0, 0, 0.05), 0 24px 64px rgba(0, 0, 0, 0.12);
  --radius: 18px;
  --radius-sm: 12px;
  --wrap: 1024px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --blue: #3f9dff;
    --blue-press: #6cb2ff;
    --bg: #0e0e10;
    --card: #1b1b1e;
    --ink: #f5f5f7;
    --ink-2: #a1a1a6;
    --ink-3: #77777c;
    --line: rgba(255, 255, 255, 0.1);
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 8px 28px rgba(0, 0, 0, 0.5);
    --shadow-big: 0 2px 6px rgba(0, 0, 0, 0.45), 0 24px 64px rgba(0, 0, 0, 0.6);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

code {
  font: 500 0.86em/1.4 ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  background: color-mix(in srgb, var(--ink) 6%, transparent);
  border-radius: 6px;
  padding: 0.12em 0.42em;
}

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* ------------------------------------------------------------------ header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: saturate(1.8) blur(18px);
  -webkit-backdrop-filter: saturate(1.8) blur(18px);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 56px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 600;
  letter-spacing: -0.01em;
}
.brand:hover { text-decoration: none; }

.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--blue);
  color: #fff;
  display: grid;
  place-items: center;
}
.brand-mark svg { width: 17px; height: 17px; }

.site-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 14px;
}
.site-nav a:not(.btn) { color: var(--ink-2); }
.site-nav a:not(.btn):hover { color: var(--ink); text-decoration: none; }

/* ------------------------------------------------------------------ buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 980px;
  padding: 11px 22px;
  font: 500 15px/1 inherit;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0) scale(0.98); }

.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 4px 14px color-mix(in srgb, var(--blue) 35%, transparent); }
.btn-primary:hover { background: var(--blue-press); }

.btn-ghost {
  background: color-mix(in srgb, var(--ink) 6%, transparent);
  color: var(--ink);
}
.btn-ghost:hover { background: color-mix(in srgb, var(--ink) 10%, transparent); }

.btn-quiet { background: transparent; color: var(--blue); padding: 11px 8px; }
.btn-quiet:hover { background: color-mix(in srgb, var(--blue) 10%, transparent); }

.btn-large { padding: 15px 30px; font-size: 17px; }

.btn[disabled] { opacity: 0.45; cursor: default; transform: none; }

/* -------------------------------------------------------------------- hero */

.hero { padding: 92px 0 40px; text-align: center; }

.eyebrow {
  font: 600 13px/1 inherit;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
  margin: 0 0 18px;
}

.hero h1 {
  font-size: clamp(40px, 7vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.035em;
  font-weight: 700;
  margin: 0 auto 20px;
  max-width: 15ch;
}

.lede {
  font-size: clamp(18px, 2.6vw, 22px);
  line-height: 1.5;
  color: var(--ink-2);
  max-width: 46ch;
  margin: 0 auto 32px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-note { margin: 18px 0 0; color: var(--ink-3); font-size: 14px; }

/* -------------------------------------------------------------- screenshot */

.shot {
  margin: 56px auto 0;
  max-width: 960px;
  border-radius: 16px;
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-big);
  overflow: hidden;
}

.shot-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 38px;
  padding: 0 15px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--ink) 3%, transparent);
}
.shot-bar i { width: 11px; height: 11px; border-radius: 50%; }
.shot-bar i:nth-child(1) { background: #ff5f57; }
.shot-bar i:nth-child(2) { background: #febc2e; }
.shot-bar i:nth-child(3) { background: #28c840; }
.shot-bar span { margin-left: 10px; color: var(--ink-3); font-size: 12.5px; }

.shot img { width: 100%; }

/* ---------------------------------------------------------------- sections */

.section { padding: 88px 0; }

.section-head { text-align: center; margin-bottom: 44px; }
.section-head h2 {
  font-size: clamp(28px, 4.4vw, 42px);
  letter-spacing: -0.025em;
  line-height: 1.12;
  margin: 0 0 14px;
}
.section-lede { color: var(--ink-2); font-size: 19px; max-width: 52ch; margin: 0 auto; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
}

.card-icon {
  width: 40px;
  height: 40px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  margin-bottom: 16px;
  color: #fff;
}
.card-icon svg { width: 21px; height: 21px; }
.card-icon.blue { background: var(--blue); }
.card-icon.green { background: var(--green); }
.card-icon.red { background: var(--red); }
.card-icon.amber { background: var(--amber); }

.card h3 { margin: 0 0 8px; font-size: 19px; letter-spacing: -0.015em; }
.card p { margin: 0; color: var(--ink-2); font-size: 15.5px; line-height: 1.6; }

.step-num {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font: 600 15px/30px inherit;
  text-align: center;
  margin-bottom: 16px;
}

/* ----------------------------------------------------------------- honesty */

.honesty {
  max-width: 60ch;
  margin: 52px auto 0;
  text-align: center;
  color: var(--ink-2);
  font-size: 16px;
}
.honesty b { color: var(--ink); }

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 30px 32px;
}

.tree {
  margin: 0;
  padding: 18px 22px;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--ink) 4%, transparent);
  font: 500 13.5px/1.9 ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color: var(--ink-2);
  overflow-x: auto;
}
.tree b { color: var(--ink); font-weight: 600; }

/* ------------------------------------------------------------------ close */

.close { padding: 110px 0 120px; text-align: center; }
.close h2 {
  font-size: clamp(30px, 5vw, 50px);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin: 0 0 18px;
}
.close p { color: var(--ink-2); font-size: 19px; max-width: 44ch; margin: 0 auto 30px; }

/* ----------------------------------------------------------------- footer */

.footer {
  border-top: 1px solid var(--line);
  padding: 40px 0 56px;
  color: var(--ink-3);
  font-size: 13.5px;
}
.footer .wrap { display: flex; flex-wrap: wrap; gap: 18px 36px; align-items: center; }
.footer-links { display: flex; gap: 22px; margin-left: auto; flex-wrap: wrap; }
.footer-links a { color: var(--ink-2); }
.footer-line { margin: 0; }

/* ------------------------------------------------------------- download */

.dl-hero { padding: 72px 0 24px; text-align: center; }
.dl-hero h1 {
  font-size: clamp(36px, 6vw, 56px);
  letter-spacing: -0.032em;
  margin: 0 0 16px;
}

.platforms {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
  margin-top: 40px;
}

.platform {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.platform.yours { border-color: color-mix(in srgb, var(--blue) 55%, transparent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--blue) 18%, transparent), var(--shadow); }

.platform h3 { margin: 0; font-size: 18px; letter-spacing: -0.015em; }
.platform .hint { color: var(--ink-3); font-size: 13px; margin: -8px 0 0; }
.platform .meta { color: var(--ink-2); font-size: 13.5px; margin: 0; }
.platform .grow { flex: 1; }

.sha {
  display: flex;
  align-items: center;
  gap: 8px;
  font: 500 11px/1.5 ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color: var(--ink-3);
  background: color-mix(in srgb, var(--ink) 4%, transparent);
  border-radius: 8px;
  padding: 8px 10px;
  cursor: pointer;
  overflow: hidden;
}
.sha:hover { color: var(--ink-2); }
.sha span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.your-tag {
  align-self: flex-start;
  background: var(--blue);
  color: #fff;
  font: 600 11px/1 inherit;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: 980px;
}

/* --------------------------------------------------------------- install */

.installer {
  margin-top: 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-start;
}

.install-log {
  width: 100%;
  min-height: 72px;
  margin: 0;
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--ink) 4%, transparent);
  color: var(--ink-2);
  font: 500 13px/1.8 ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  white-space: pre-wrap;
}
.install-log:empty { display: none; }
.install-log .ok { color: var(--green); }
.install-log .bad { color: var(--red); }

.muted { color: var(--ink-3); font-size: 14px; margin: 0; }

/* ---------------------------------------------------------------- reveal */

[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
[data-reveal].shown { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .btn:hover, .btn:active { transform: none; }
}

@media (max-width: 720px) {
  .hero { padding-top: 56px; }
  .section { padding: 64px 0; }
  .site-nav { gap: 14px; }
  .site-nav .nav-hide { display: none; }
}